<template>
  <div class="wrapper">
    <swiper :options="swiperOption" ref="mySwiper" v-if="showSwiper">
      <!-- slides -->
      <swiper-slide v-for="item in list" :key = "item.id">
        <img class="swiper-img" :src="item.imgUrl" alt="">
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination" slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
export default{
  name: 'HomeSwiper',
  props: {
    list: Array},
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    showSwiper () {
      return this.list.length
    }
  }
}
</script>

<style type="text/css" lang="scss" scoped>
/* scss 用deep 穿透局部css样式*/
  .wrapper /deep/ .swiper-pagination-bullet-active{
    background: #fff !important;
  }
  .wrapper {
    overflow: hidden;
    width: 100%;
    height:0;
    padding-bottom: 30.45%;
    background: #ccc;
    .swiper-img {
      width: 100%;
    }
  }

</style>
